{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-26785", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.178Z", "datePublished": "2024-04-04T08:20:18.467Z", "dateUpdated": "2024-12-19T08:47:24.042Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T08:47:24.042Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommufd: Fix protection fault in iommufd_test_syz_conv_iova\n\nSyzkaller reported the following bug:\n\n general protection fault, probably for non-canonical address 0xdffffc0000000038: 0000 [#1] SMP KASAN\n KASAN: null-ptr-deref in range [0x00000000000001c0-0x00000000000001c7]\n Call Trace:\n lock_acquire\n lock_acquire+0x1ce/0x4f0\n down_read+0x93/0x4a0\n iommufd_test_syz_conv_iova+0x56/0x1f0\n iommufd_test_access_rw.isra.0+0x2ec/0x390\n iommufd_test+0x1058/0x1e30\n iommufd_fops_ioctl+0x381/0x510\n vfs_ioctl\n __do_sys_ioctl\n __se_sys_ioctl\n __x64_sys_ioctl+0x170/0x1e0\n do_syscall_x64\n do_syscall_64+0x71/0x140\n\nThis is because the new iommufd_access_change_ioas() sets access->ioas to\nNULL during its process, so the lock might be gone in a concurrent racing\ncontext.\n\nFix this by doing the same access->ioas sanity as iommufd_access_rw() and\niommufd_access_pin_pages() functions do."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iommu/iommufd/selftest.c"], "versions": [{"version": "9227da7816dd1a42e20d41e2244cb63c205477ca", "lessThan": "fd4d5cd7a2e8f08357c9bfc0905957cffe8ce568", "status": "affected", "versionType": "git"}, {"version": "9227da7816dd1a42e20d41e2244cb63c205477ca", "lessThan": "fc719ecbca45c9c046640d72baddba3d83e0bc0b", "status": "affected", "versionType": "git"}, {"version": "9227da7816dd1a42e20d41e2244cb63c205477ca", "lessThan": "cf7c2789822db8b5efa34f5ebcf1621bc0008d48", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iommu/iommufd/selftest.c"], "versions": [{"version": "6.6", "status": "affected"}, {"version": "0", "lessThan": "6.6", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.55", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.7.9", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/fd4d5cd7a2e8f08357c9bfc0905957cffe8ce568"}, {"url": "https://git.kernel.org/stable/c/fc719ecbca45c9c046640d72baddba3d83e0bc0b"}, {"url": "https://git.kernel.org/stable/c/cf7c2789822db8b5efa34f5ebcf1621bc0008d48"}], "title": "iommufd: Fix protection fault in iommufd_test_syz_conv_iova", "x_generator": {"engine": "bippy-5f407fcff5a0"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-120", "lang": "en", "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-04-04T15:19:21.902975Z", "id": "CVE-2024-26785", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-07T18:54:48.729Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:14:13.352Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/fc719ecbca45c9c046640d72baddba3d83e0bc0b", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/cf7c2789822db8b5efa34f5ebcf1621bc0008d48", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/fc719ecbca45c9c046640d72baddba3d83e0bc0b", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/cf7c2789822db8b5efa34f5ebcf1621bc0008d48", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:14:13.352Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-26785", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-04-04T15:19:21.902975Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-120", "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-23T19:01:21.983Z"}}], "cna": {"title": "iommufd: Fix protection fault in iommufd_test_syz_conv_iova", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "9227da7816dd1a42e20d41e2244cb63c205477ca", "lessThan": "fd4d5cd7a2e8f08357c9bfc0905957cffe8ce568", "versionType": "git"}, {"status": "affected", "version": "9227da7816dd1a42e20d41e2244cb63c205477ca", "lessThan": "fc719ecbca45c9c046640d72baddba3d83e0bc0b", "versionType": "git"}, {"status": "affected", "version": "9227da7816dd1a42e20d41e2244cb63c205477ca", "lessThan": "cf7c2789822db8b5efa34f5ebcf1621bc0008d48", "versionType": "git"}], "programFiles": ["drivers/iommu/iommufd/selftest.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.6"}, {"status": "unaffected", "version": "0", "lessThan": "6.6", "versionType": "semver"}, {"status": "unaffected", "version": "6.6.55", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.7.9", "versionType": "semver", "lessThanOrEqual": "6.7.*"}, {"status": "unaffected", "version": "6.8", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/iommu/iommufd/selftest.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/fd4d5cd7a2e8f08357c9bfc0905957cffe8ce568"}, {"url": "https://git.kernel.org/stable/c/fc719ecbca45c9c046640d72baddba3d83e0bc0b"}, {"url": "https://git.kernel.org/stable/c/cf7c2789822db8b5efa34f5ebcf1621bc0008d48"}], "x_generator": {"engine": "bippy-5f407fcff5a0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommufd: Fix protection fault in iommufd_test_syz_conv_iova\n\nSyzkaller reported the following bug:\n\n general protection fault, probably for non-canonical address 0xdffffc0000000038: 0000 [#1] SMP KASAN\n KASAN: null-ptr-deref in range [0x00000000000001c0-0x00000000000001c7]\n Call Trace:\n lock_acquire\n lock_acquire+0x1ce/0x4f0\n down_read+0x93/0x4a0\n iommufd_test_syz_conv_iova+0x56/0x1f0\n iommufd_test_access_rw.isra.0+0x2ec/0x390\n iommufd_test+0x1058/0x1e30\n iommufd_fops_ioctl+0x381/0x510\n vfs_ioctl\n __do_sys_ioctl\n __se_sys_ioctl\n __x64_sys_ioctl+0x170/0x1e0\n do_syscall_x64\n do_syscall_64+0x71/0x140\n\nThis is because the new iommufd_access_change_ioas() sets access->ioas to\nNULL during its process, so the lock might be gone in a concurrent racing\ncontext.\n\nFix this by doing the same access->ioas sanity as iommufd_access_rw() and\niommufd_access_pin_pages() functions do."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T08:47:24.042Z"}}}, "cveMetadata": {"cveId": "CVE-2024-26785", "state": "PUBLISHED", "dateUpdated": "2024-12-19T08:47:24.042Z", "dateReserved": "2024-02-19T14:20:24.178Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-04-04T08:20:18.467Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommufd: Fix protection fault in iommufd_test_syz_conv_iova\n\nSyzkaller reported the following bug:\n\n general protection fault, probably for non-canonical address 0xdffffc0000000038: 0000 [#1] SMP KASAN\n KASAN: null-ptr-deref in range [0x00000000000001c0-0x00000000000001c7]\n Call Trace:\n lock_acquire\n lock_acquire+0x1ce/0x4f0\n down_read+0x93/0x4a0\n iommufd_test_syz_conv_iova+0x56/0x1f0\n iommufd_test_access_rw.isra.0+0x2ec/0x390\n iommufd_test+0x1058/0x1e30\n iommufd_fops_ioctl+0x381/0x510\n vfs_ioctl\n __do_sys_ioctl\n __se_sys_ioctl\n __x64_sys_ioctl+0x170/0x1e0\n do_syscall_x64\n do_syscall_64+0x71/0x140\n\nThis is because the new iommufd_access_change_ioas() sets access->ioas to\nNULL during its process, so the lock might be gone in a concurrent racing\ncontext.\n\nFix this by doing the same access->ioas sanity as iommufd_access_rw() and\niommufd_access_pin_pages() functions do."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: iommufd: Se corrigi\u00f3 falla de protecci\u00f3n en iommufd_test_syz_conv_iova Syzkaller inform\u00f3 el siguiente error: falla de protecci\u00f3n general, probablemente para direcci\u00f3n no can\u00f3nica 0xdffffc0000000038: 0000 [#1] SMP KASAN KASAN: null-ptr- deref en el rango [0x00000000000001c0-0x00000000000001c7] Seguimiento de llamadas: lock_acquire lock_acquire+0x1ce/0x4f0 down_read+0x93/0x4a0 iommufd_test_syz_conv_iova+0x56/0x1f0 iommufd_test_access_rw.isra. 0+0x2ec/0x390 iommufd_test+0x1058/0x1e30 iommufd_fops_ioctl+0x381/0x510 vfs_ioctl __do_sys_ioctl __se_sys_ioctl __x64_sys_ioctl +0x170/0x1e0 do_syscall_x64 do_syscall_64+0x71/0x140 Esto se debe a que el nuevo iommufd_access_change_ioas() establece access->ioas en NULL durante su proceso, por lo que el bloqueo podr\u00eda desaparecer en un contexto de ejecuci\u00f3n concurrente. Solucione este problema haciendo el mismo acceso->ioas cordura que hacen las funciones iommufd_access_rw() y iommufd_access_pin_pages()."}], "id": "CVE-2024-26785", "lastModified": "2024-11-21T09:03:03.967", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-04-04T09:15:08.187", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cf7c2789822db8b5efa34f5ebcf1621bc0008d48"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fc719ecbca45c9c046640d72baddba3d83e0bc0b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fd4d5cd7a2e8f08357c9bfc0905957cffe8ce568"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/cf7c2789822db8b5efa34f5ebcf1621bc0008d48"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/fc719ecbca45c9c046640d72baddba3d83e0bc0b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "kernel: iommufd: Fix protection fault in iommufd_test_syz_conv_iova", "id": "2273461", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2273461"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-400", "details": ["In the Linux kernel, the following vulnerability has been resolved:\niommufd: Fix protection fault in iommufd_test_syz_conv_iova\nSyzkaller reported the following bug:\ngeneral protection fault, probably for non-canonical address 0xdffffc0000000038: 0000 [#1] SMP KASAN\nKASAN: null-ptr-deref in range [0x00000000000001c0-0x00000000000001c7]\nCall Trace:\nlock_acquire\nlock_acquire+0x1ce/0x4f0\ndown_read+0x93/0x4a0\niommufd_test_syz_conv_iova+0x56/0x1f0\niommufd_test_access_rw.isra.0+0x2ec/0x390\niommufd_test+0x1058/0x1e30\niommufd_fops_ioctl+0x381/0x510\nvfs_ioctl\n__do_sys_ioctl\n__se_sys_ioctl\n__x64_sys_ioctl+0x170/0x1e0\ndo_syscall_x64\ndo_syscall_64+0x71/0x140\nThis is because the new iommufd_access_change_ioas() sets access->ioas to\nNULL during its process, so the lock might be gone in a concurrent racing\ncontext.\nFix this by doing the same access->ioas sanity as iommufd_access_rw() and\niommufd_access_pin_pages() functions do.", "A protection fault vulnerability was found in the iommufd subsystem of the Linux kernel. This flaw could lead to unexpected behavior or system instability."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2024-26785", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26785\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26785\nhttps://lore.kernel.org/linux-cve-announce/2024040459-CVE-2024-26785-857d@gregkh/T"], "statement": "Red Hat Enterprise Linux 6, 7 & 8 is not vulnerable to this CVE, as it does not affect the versions or configurations of the Linux kernel used in its distributions.", "threat_severity": "Moderate", "upstream_fix": "kernel 6.7.9, kernel 6.8"}